
<style type="text/css">

body {
    margin: 0;
    padding: 0;
}

#title_bar {
    -webkit-app-region: drag;
    height: 22px;
    line-height: 22px;
    font-size: 16px;
    background: #EEE;
    padding: 0 10px;
    box-sizing: border-box;
}

#title_bar a {
    float: right;
    margin: 3px;
    font-size: 6px;
    border: black 1px solid;
}

#title_bar a:hover {
    background: black;
}

.shadow {
    filter:progid:DXImageTransform.Microsoft.Shadow(color=#000000,direction=120,strength=4);/*ie*/
    -moz-box-shadow: 2px 2px 10px #000000;/*firefox*/
    -webkit-box-shadow: 2px 2px 10px #000000;/*safari或chrome*/
    box-shadow:2px 2px 10px #000000;/*opera或ie9*/
}

#custom-list-group {
    margin-top: 10px;
}

#custom-list-group p{
    font-size: 15px;
}

#title_bar {
    -webkit-app-region: drag;
    height: 30px;
    line-height: 30px;
    font-size: 16px;
    background: #6699CC;
    padding: 0 10px;
    box-sizing: border-box;
}

#title_bar a {
    -webkit-app-region: no-drag;
    display: inline-block;
    float: right;
    height: 15px;
    width: 15px;
    margin: 5px;
    border: gray 1px solid;
    box-sizing: border-box;
    border-radius: 10px;
}

#title_bar #minimize {
    background:#FF9900;
}

#title_bar #close {
    background:red;
}

</style>
